All else is contestable and contested.
"The Pros and Cons of Vivisection"
Charles Richet Commentator: W. D. Halliburton
Several persons admired his books-nothing was less contestable; but they appeared to have a mortal objection to acquiring them by subscription or by purchase: they begged or borrowed or stole, they delegated one of the party perhaps to commit the volumes to memory and repeat them, like the bards of old, to listening multitudes.
"Embarrassments"
Henry James
There are several contestable points in this statement, and I quote it, though it is but three years old, as a historical rather than a contemporary utterance.
"America To-day, Observations and Reflections"
William Archer